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From: Jamie Iles <jamie@jamieiles.com>
To: Shawn Guo <shawn.guo@linaro.org>
Cc: linux-kernel@vger.kernel.org, grant.likely@secretlab.ca,
	arnd@arndb.de, kernel@pengutronix.de,
	linux-arm-kernel@lists.infradead.org, patches@linaro.org
Subject: Re: [PATCH 1/4] gpio: gpio-mxc: add gpio driver for Freescale MXC architecture
Date: Tue, 31 May 2011 09:44:24 +0100	[thread overview]
Message-ID: <20110531084424.GA2266@pulham.picochip.com> (raw)
In-Reply-To: <1306767139-24763-2-git-send-email-shawn.guo@linaro.org>

Hi Shawn,

On Mon, May 30, 2011 at 10:52:16PM +0800, Shawn Guo wrote:
> Add gpio-mxc driver by copying arch/arm/plat-mxc/gpio.c into
> drivers/gpio with the following changes.
> 
>  * Use readl/writel to replace mach-specific accessors
>    __raw_readl/__raw_writel
> 
>  * Migrate to platform driver by adding .probe function
> 
>  * Add a list to save all mx2 ports references, so that
>    mx2_gpio_irq_handler can walk through all interrupt status
>    registers
> 
> Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
> ---

Could you use the stuff in drivers/gpio/basic_mmio_gpio.c for 
implementing the gpio_chip?  I had a go a little while ago [1] but since 
then we've made it possible to embed the bgpio_chip in your own 
structure which may be cleaner.

Jamie

1. http://permalink.gmane.org/gmane.linux.ports.arm.kernel/113139

  parent reply	other threads:[~2011-05-31  8:44 UTC|newest]

Thread overview: 18+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2011-05-30 14:52 [PATCH 0/4] Move plat-mxc gpio driver into drivers/gpio Shawn Guo
2011-05-30 14:52 ` [PATCH 1/4] gpio: gpio-mxc: add gpio driver for Freescale MXC architecture Shawn Guo
2011-05-31  0:53   ` Olof Johansson
2011-05-31  1:35     ` Shawn Guo
2011-05-31  8:44   ` Jamie Iles [this message]
2011-05-31  9:16     ` Shawn Guo
2011-05-30 14:52 ` [PATCH 2/4] ARM: mxc: migrate mach-mx5 gpio driver to gpio-mxc Shawn Guo
2011-05-31  0:16   ` Olof Johansson
2011-05-31  2:47     ` Shawn Guo
2011-05-31  8:26       ` Arnd Bergmann
2011-05-31 10:30         ` Shawn Guo
2011-05-31 11:28           ` Arnd Bergmann
2011-05-31 15:10             ` Shawn Guo
2011-05-31 15:27               ` Arnd Bergmann
2011-05-31 16:08                 ` Shawn Guo
2011-05-31 16:52                   ` Olof Johansson
2011-05-30 14:52 ` [PATCH 3/4] ARM: mxc: migrate mach-imx " Shawn Guo
2011-05-30 14:52 ` [PATCH 4/4] ARM: mxc: remove plat-mxc/gpio driver Shawn Guo

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